Current Protein Identity：O15533
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 3F8U Tapasin/ERp57 heterodimer Deposited 2008-11-13 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
1–401（401 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；295 K；reservoir contained 100 mM HEPES (@pH 7.5), 20% PEG 3K, 200 mM CaCl2.
protein was concentrated to 10mg/ml in 150 mM NaCl, 20 mM Tris (@ pH 7.4),
5% glycerol. The hanging drop was supplemented to contain 100 mM guanidine
HCl; seeding was used to obtain larger crystals., VAPOR DIFFUSION, HANGING DROP, temperature 295K
|
Resolution 2.60 Å R-free 0.285 |
| 3F8U Tapasin/ERp57 heterodimer Deposited 2008-11-13 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain D
1–401（401 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；295 K；reservoir contained 100 mM HEPES (@pH 7.5), 20% PEG 3K, 200 mM CaCl2.
protein was concentrated to 10mg/ml in 150 mM NaCl, 20 mM Tris (@ pH 7.4),
5% glycerol. The hanging drop was supplemented to contain 100 mM guanidine
HCl; seeding was used to obtain larger crystals., VAPOR DIFFUSION, HANGING DROP, temperature 295K
|
Resolution 2.60 Å R-free 0.285 |
| 3F8U Tapasin/ERp57 heterodimer Deposited 2008-11-13 | Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain B
1–401（401 aa）
Chain D
1–401（401 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；295 K；reservoir contained 100 mM HEPES (@pH 7.5), 20% PEG 3K, 200 mM CaCl2.
protein was concentrated to 10mg/ml in 150 mM NaCl, 20 mM Tris (@ pH 7.4),
5% glycerol. The hanging drop was supplemented to contain 100 mM guanidine
HCl; seeding was used to obtain larger crystals., VAPOR DIFFUSION, HANGING DROP, temperature 295K
|
Resolution 2.60 Å R-free 0.285 |
| 6ENY Structure of the human PLC editing module Deposited 2017-10-07 | Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count |
Chain C
21–448（428 aa）
|
Not recorded | No recorded non-water small molecule | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 5.80 Å |
| 7QNG Structure of a MHC I-Tapasin-ERp57 complex Deposited 2021-12-20 | Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count |
Chain A
1–401（401 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；291.15 K；100 mM Gly-Gly, AMPD, pH 8.5, 300 mM lithium sulfate, 300 mM sodium sulfate, 300 mM potassium sulfate, 20% (v/v) PEG8000, 40% (v/v) 1,5-pentanediol
|
Resolution 2.70 Å R-free 0.229 |
| 7QPD Structure of the human MHC I peptide-loading complex editing module Deposited 2022-01-03 | Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count |
Chain T
21–448（428 aa）
|
Not recorded | No recorded non-water small molecule | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.73 Å |
| 7TUE Crystal structure of Tapasin in complex with HLA-B*44:05 (T73C) Deposited 2022-02-02 | Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain D
21–401（381 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 8.5；291 K；2.0M AmSO4, 0.1M Tris
|
Resolution 3.10 Å R-free 0.309 |
| 7TUF Crystal structure of Tapasin in complex with PaSta1-Fab Deposited 2022-02-02 | Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count |
Chain C
21–401（381 aa）
Chain D
21–401（381 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；10% PEG 4000, 0.1M Hepes
|
Resolution 2.80 Å R-free 0.274 |
| 7TUG Crystal structure of Tapasin in complex with PaSta2-Fab Deposited 2022-02-02 | Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain D
21–401（381 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.5；291 K；17% PEG 10000, 0.1M Bis-Tris, 0.1M Am Acetate
|
Resolution 3.90 Å R-free 0.332 |
| 9RCV Structure of the Human Peptide-Loading Complex Arrested by HCMV US6 Deposited 2025-05-29 | Assembly 1 Other combination Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count |
Chain B
1–448（448 aa）
Chain F
1–448（448 aa）
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 6.5；20 mM HEPES-NaOH pH 6.5, 150 mM NaCl, 10 mM MgCl2, 2.5 mM biotin, 0.05% (w/v) glycodiosgenin
cryo-EM vitrification conditions
Cryogen ETHANE；Blot force 5, Blot time 5 s
|
Resolution 2.70 Å |